Bui. 250, U. S. Dept. of Agriculture. 



Plate III. 



Fig. 1.— Paper Birch Foliage Showing 

 Pinhole Feeding. (Original.) 



Fig. 2.— Spreckled Alder Foliage 

 Showing Shot-Hole Feeding. 

 (Original.) 



TWO FOOD PLANTS OF THE GIPSY-MOTH LARV/E. 



